Vortex 522ZK-38 Aluminum Rear Sprocket 520 Pitch 38 Tooth Black

The Vortex 522ZK-38 is a high-performance aluminum rear sprocket designed for 520 pitch chain applications. Featuring 38 teeth and manufactured from aerospace-grade aluminum, this sprocket delivers optimal power transfer while reducing rotational mass compared to steel alternatives.

Key Features:

• 520 pitch compatible with 38-tooth configuration
• Aerospace-grade aluminum construction for lightweight performance
• Black anodized finish for corrosion resistance and durability
• Vortex patented tooth design for extended sprocket longevity
• Precision CNC machined to the tightest tolerances
• Drilled lightening holes reduce weight without sacrificing strength
• Hardened teeth for increased wear resistance

Manufactured by Vortex Racing in the USA, this sprocket is built to professional racing standards and tested on the track by top race teams worldwide. The aluminum construction offers significant weight savings over steel sprockets, reducing gyroscopic forces and freeing up horsepower for improved acceleration and handling. The black anodized finish provides excellent corrosion protection while maintaining a clean, professional appearance.